One of them, in the New Orleans suburb of Kenner, damaged a few cars in a lot west of Louis Armstrong New Orleans International Airport, according to the National Weather Service. No flights were directly affected, but the airport said Tuesday afternoon that some delays and cancellations were possible because of the bad weather in general.
No injuries were reported, a spokesman for the city told NBC News.
In Ascension Parish, at least eight homes and businesses were damaged, said Meredith Conger, a planning officer with the parish's emergency management agency.
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Government offices in 15 parishes closed at noon (1 p.m., ET) to get people home before the dangerous weather hit, state Administration Commissioner Jay Dardenne said.
More than 6,000 customers across the state didn't have power by 2 p.m. as officials warned of the possibility of more tornadoes.